Here are some 'mate in 4' chess puzzles (rated by lichess).
The color disk on the diagram indicates who moves first.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.


White mates in 4.
Bialx vs sur_danak, lichess, (2066)
krB4r/p1nb1qb1/1p4pp/4p1B1/4P3/2R5/2P2PPP/R5K1 w - - 1 0
[ Rxa7+ Kxa7 Ra3+ ]


Black mates in 4.
myshiva vs Rorgall, lichess, (2071)
8/p4p2/2p1bB1Q/3r4/6P1/5k2/PPP2P1P/3qRK2 b - - 0 1
[ ...Qe2+ Rxe2 Rd1+ Re1 Bc4+ ]


White mates in 4.
Chees111 vs nielFal, lichess, (2076)
4r3/pQ3p2/2p3q1/8/k1P1n3/3PK3/4B3/8 w - - 1 0
[ Bd1+ Ka5 Qxa7+ Kb4 ]


Black mates in 4.
norfas vs ali30bb, lichess, (2076)
4Q3/ppp3R1/q2k1r2/3B4/1P1P4/P3Pn1P/8/R2K4 b - - 0 1
[ ...Qd3+ Kc1 Qc3+ Kb1 Nd2+ ]


White mates in 4.
Ivan_hector vs bahtyyar_babajanov, lichess, (2126)
r1b5/ppqn1Npk/2n1p2b/3p3Q/3P4/2P5/PP3PPP/R3K2R w KQ - 1 0
[ Ng5+ Kg8 Qf7+ Kh8 Qe8+ ]


Black mates in 4.
fabsin vs Rdwrer, lichess, (2126)
2q4r/BQP1kp2/2Pbp3/8/6p1/P7/5PP1/R5K1 b - - 0 1
[ ...Rh1+ Kxh1 Qh8+ Kg1 Qxa1+ ]


Black mates in 4.
NIKOFORT vs Sulleiman_Omar, lichess, (2134)
8/1P3pp1/2R1p1k1/B2pP1P1/2pPbKP1/4N3/8/7r b - - 0 1
[ ...Rh3 if Nxd5 Bxd5 Rxe6+ fxe6 or if Rxe6+ fxe6 Nxd5 Bxd5 ]


Black mates in 4.
Abra23 vs inordirection, lichess, (2143)
3Qn1k1/5pp1/p1b1p2p/4N3/2q2n2/P7/5PPP/1B3RK1 b - - 0 1
[ ...Ne2+ Kh1 Ng3+ if hxg3 Qxf1+ ]


Black mates in 4.
Adraul vs YourWillMyMate, lichess, (2150)
7k/3Q2bp/5qp1/2pB4/8/8/Pr4PP/5RK1 b - - 0 1
[ ...Qf2+ Rxf2 Rb1+ Rf1 Bd4+ ]


White mates in 4.
Baptiste876 vs magentamango, lichess, (2152)
8/ppp2Q2/2kp2p1/8/2P3n1/1P4P1/P3K3/q7 w - - 1 0
[ Qe8+ Kc5 Qb5+ Kd4 Qd5+ ]


Black mates in 4.
carol75 vs bremstra2, lichess, (2158)
1k3r2/pp4p1/3pQ1p1/4P3/3P2P1/2P5/P1P1qBKb/1R3R2 b - - 0 1
[ ...Qf3+ Kxh2 Rh8+ Bh4 Rxh4+ ]


Black mates in 4.
GM skzt vs GM carl2000, lichess, (2170)
6k1/5ppp/pP1Np3/P7/1B1pQ3/1P2nqP1/2r2P1P/5RK1 b - - 0 1
[ ...Qxf2+ Rxf2 Rc1+ ]


White mates in 4.
pierrothym vs krtolica, lichess, (2183)
8/pp6/2p1Q2p/2qp1ppk/5P2/6P1/P5P1/5K2 w - - 1 0
[ Qe8+ Kg4 Qe2+ Kxg3 Qf3+ ]


Black mates in 4.
manraj_ghale vs WetTeo, lichess, (2191)
3r2k1/pp3pb1/7Q/6R1/5q1P/PB6/1PP5/1K6 b - - 0 1
[ ...Rd1+ Ka2 Ra1+ Kxa1 Qc1+ ]


White mates in 4.
baerlerBaerli vs monomunu, lichess, (2195)
5K2/P1Q3pp/4p1k1/3b1p1n/7P/8/rp6/8 w - - 1 0
[ Qf7+ Kh6 Qe7 Nf6 Qxg7+ ]


White mates in 4.
sebhaen vs tico17, lichess, (2213)
6k1/1bqr1p1p/pp3pp1/8/3b4/2P1Q2P/PP3PP1/2B1R1K1 w - - 1 0
[ Qe8+ Kg7 Qf8+ Kxf8 Bh6+ ]


White mates in 4.
akanenajordan vs RADEVIDOJEVIC, lichess, (2215)
r7/pp2Q3/6kp/3P4/5P2/6P1/Pq5P/6K1 w - - 1 0
[ f5+ Kxf5 Qe6+ Kg5 h4+ ]


Black mates in 4.
CosmicIdleness vs angelzerreitug, lichess, (2221)
3kq3/1p4QR/4b1p1/3p1pN1/3n4/pP6/P4PP1/2K4R b - - 0 1
[ ...Qc6+ Kd2 Qc2+ Ke3 Qc3+ ]


White mates in 4.
propergestalt vs zeluis_ap, lichess, (2225)
r7/1pp2B1k/1n1p1p1p/4q3/1r2P3/2P1Q3/p1P5/K2R2R1 w - - 1 0
[ Qxh6+ Kxh6 Rg6+ Kh7 Rh1+ ]


Black mates in 4. Puzzle #YtciD (2236)
6k1/1pp2pp1/p2p3p/1P1P1r1n/2P3K1/2N1R2P/1P6/R7 b - - 2 28
[ 28... Rf4+ 29. Kxh5 Kh7 30. Rg1 g6+ 31. Rxg6 fxg6# ]


White mates in 4.
N-zero vs rainment400, lichess, (2240)
8/2p3k1/p2p2p1/6Np/2Pq4/1P5P/P3p1P1/3b1Q1K w - - 1 0
[ Ne6+ if Kh7 Qf7+ Kh6 Qf8+ or if Kh6 Qf8+ ]


White mates in 4. Puzzle #nvF43 (2262)
2R5/1p2kr2/4b2Q/pn1pPpP1/Pn3P1P/4q3/1P6/2R4K w - - 2 34
[ 34. Re8+ Kxe8 35. Qxe6+ Kf8 36. Rc8+ Kg7 37. Qh6# ]


White mates in 4. Puzzle #BfyXS (2265)
rq4k1/3p4/p7/5p1Q/Pp1B3p/3Pr1bP/NP4P1/7K w - - 0 31
[ 31. Qg6+ Kf8 32. Bg7+ Ke7 33. Qf6+ Ke8 34. Qf8# ]


White mates in 4.
Zorlumehmet vs Blitz_Mind, lichess, (2267)
2r3k1/pp4p1/1b1p2Nq/5Q2/4P3/6P1/P4PK1/7r w - - 1 0
[ Ne7+ Kh8 Qxc8+ if Kh7 Qg8# ]


White mates in 4. Puzzle #w04Iw (2274)
8/p6p/1pQbk1p1/1Pp1p1P1/P1Pp1qNP/3P3K/8/8 w - - 6 39
[ 39. Qe8+ Be7 40. Qc8+ Kf7 41. Nh6+ Kg7 42. Qg8# ]


White mates in 4. Puzzle #EM4Sa (2281)
8/p3Q3/2p5/K2b1p2/3kr3/P1R5/1P6/5q2 w - - 4 57
[ 57. Qg7+ Re5 58. Qxa7+ c5 59. Qxc5+ Ke4 60. Qe3# ]


White mates in 4. Puzzle #qSSX9 (2281)
r1bk3r/4bppp/p1p5/8/3N4/3Q4/Pq3PPP/4R1K1 w - - 0 18
[ 18. Ne6+ Ke8 19. Nc7+ Kf8 20. Qd8+ Bxd8 21. Re8# ]


White mates in 4. Puzzle #fRnHv (2282)
6k1/2R4p/p1Q2r2/4Pbp1/3P1p2/2p4P/6PK/4q3 w - - 0 32
[ 32. Qd5+ Be6 33. Qd8+ Rf8 34. Qxg5+ Kh8 35. Qg7# ]


[ 28... Qg3+ 29. Kh1 Rxe1+ 30. Rxe1 Rxe1+ 31. Nxe1 Qh2# ] (2305)


Black mates in 4. Puzzle #c6r95 (2302)
6k1/5ppp/4p3/8/bb2n2q/5PB1/P2NB2P/RQ2K2R b KQ - 2 21
[ 21... Bxd2+ 22. Kf1 Qh3+ 23. Kg1 Be3+ 24. Bf2 Bxf2# ]


White mates in 4. Puzzle #JgMKQ (2315)
2R5/5p1k/p6p/6p1/4Pq2/2Q5/b5P1/6K1 w - - 0 37
[ 37. Rh8+ Kg6 38. Rg8+ Kh5 39. Qh3+ Qh4 40. g4# ]


White mates in 4. Puzzle #PUxbr (2315)
r2q3k/1p4bp/6p1/6P1/2Qp4/pP6/P1P1rP2/2KR3R w - - 2 25
[ 25. Rxh7+ Kxh7 26. Rh1+ Bh6 27. Qf7+ Kh8 28. Rxh6# ]


White mates in 4. Puzzle #YHEV0 (2316)
r5k1/Q2R1ppp/2q1p3/8/8/6PP/Pr3R2/6K1 w - - 2 26
[ 26. Rd8+ Rxd8 27. Qxf7+ Kh8 28. Qf8+ Rxf8 29. Rxf8# ]


[ 38... g5+ 39. Kxg5 Qd2+ 40. f4 h6+ 41. Kh4 Qxh2# ] (2316)


White mates in 4. Puzzle #ykyIf (2319)
Q7/5Npk/4p2p/1p3p2/6P1/4P3/P4qPK/2r5 w - - 0 34
[ 34. Qh8+ Kg6 35. Ne5+ Kf6 36. Qd8+ Kxe5 37. Qd4# ]


[ 22. Rc7+ Kd8 23. Nxf7+ Ke8 24. Nd6+ Kf8 25. Rf7# ] (2326)


Black mates in 4. Puzzle #rU7tp (2330)
3r2k1/5R1p/5bp1/5b2/2B5/2P1rP2/PP4PP/2K4R b - - 0 22
[ 22... Re1+ 23. Rxe1 Bg5+ 24. f4 Bxf4+ 25. Re3 Bxe3# ]


Black mates in 4. Puzzle #YeY4N (2330)
B4k1r/p4pp1/Np1bp1bp/3p4/3P4/P1N1P1qP/1PP3P1/R2Q1RK1 b - - 0 18
[ 18... Qh2+ 19. Kf2 Bg3+ 20. Ke2 Qxg2+ 21. Rf2 Qxf2# ]


Black mates in 4. Puzzle #9CriC (2338)
3R4/3P2p1/p5p1/5pk1/P7/7P/5RPK/3rr3 b - - 0 42
[ 42... Rh1+ 43. Kg3 Rd3+ 44. Rf3 f4+ 45. Kf2 Rd2# ]


White mates in 4. Puzzle #iGDI7 (2339)
5k2/1p2p3/3p2p1/p7/P1BpPbQ1/5P1K/1P1q3P/8 w - - 2 34
[ 34. Qc8+ Kg7 35. Qg8+ Kf6 36. Qh8+ Kg5 37. Qh4# ]


White mates in 4. Puzzle #KM2Yp (2339)
r1b2rk1/ppp2pp1/3p3p/2b1R1NQ/8/3B4/2P2PPP/1q2B1K1 w - - 0 16
[ 16. Qxf7+ Rxf7 17. Re8+ Rf8 18. Bh7+ Kh8 19. Rxf8# ]


Black mates in 4. Puzzle #ac164 (2358)
1r5k/pq4bp/r4p2/n2pp3/3P4/2P1BP1P/PP1NQ1R1/KR6 b - - 3 26
[ 26... Nb3+ 27. Nxb3 Rxa2+ 28. Kxa2 Qxb3+ 29. Ka1 Qa4# ]


White mates in 4. Puzzle #C41ov (2359)
r2q3k/pbp3pB/1p2p3/3N2RQ/7r/8/PPP2bPP/R6K w - - 1 19
[ 19. Bf5+ Rxh5 20. Rxh5+ Kg8 21. Bxe6+ Kf8 22. Rh8# ]


[ 47. Nd7+ Ka5 48. Qc7+ Ka4 49. Nc5+ Ka3 50. Qa7# ] (2362)


[ 43. Qe6+ Kc7 44. Qxe7+ Kb6 45. c5+ Rxc5 46. Qxb7# ] (2364)


[ 42... hxg3+ 43. Kg1 Qf2+ 44. Kh1 Qe1+ 45. Bf1 Qxf1# ] (2364)


Black mates in 4. Puzzle #8hJpd (2370)
1k5r/1b6/p3B3/1p3PB1/3b4/P6P/1PP2nPK/R4R2 b - - 2 31
[ 31... Rxh3+ 32. gxh3 Be5+ 33. Bf4 Bxf4+ 34. Kg1 Nxh3# ]


White mates in 4. Puzzle #7AF87 (2370)
8/Q6p/3pBkpb/1PpPp3/1qP1r3/6P1/6KP/8 w - - 2 40
[ 40. Qf7+ Kg5 41. h4+ Rxh4 42. Qe7+ Kh5 43. Qxh4# ]


[ 37. Nf6+ Kf8 38. Kxg6 Rc7 39. Rxc7 a1=Q 40. Rf7# ] (2376)


[ 30. Bh6+ Bg7 31. Bxg7+ Rxg7 32. Rh8+ Rg8 33. Qxg8# ] (2382)


[ 25. Rd7+ Ke5 26. Qc5+ Kf4 27. Rd4+ Kf3 28. Qc6# ] (2408)


[ 29. Rb3+ Ka6 30. Nc7+ Bxc7 31. Ra3+ Ba5 32. Qxa5# ] (2408)


White mates in 4. Puzzle #3r5m3 (2409)
r2qr1k1/5p2/2pp1bp1/p5B1/Pp2nNbQ/1P1P4/1P3PP1/R3K2R w KQ - 2 24"
[ 24. Qh7+ Kf8 25. Nxg6+ fxg6 26. Bh6+ Bg7 27. Qxg7# ]


[ 22. Rxg6+ fxg6 23. Bc4+ d5 24. Bxd5+ Re6 25. Bxe6# ] (2409)


[ 17... Rd1+ 18. Kg2 Nf4+ 19. Bxf4 h3+ 20. Kg3 Rg1# ] (2409)


[ 40. Qxg7+ Rxg7 41. Nf6+ Kh8 42. Rxh6+ Rh7 43. Rxh7# ] (2410)


[ 31. Nxf7+ Kxh7 32. Ne5+ Kh8 33. Nxg6+ Kg8 34. h7# ] (2411)


[ 35. Qc3+ Kb6 36. Qxc6+ Ka5 37. Qc3+ b4 38. Qc5# ] (2411)


[ 36... Bg1+ 37. Qxg1 Qd2+ 38. Re2 Qxe2+ 39. Qf2 Qxf2# ] (2412)


[ 37... Qxe2+ 38. Rxe2 Nc4+ 39. Kd3 Rd1+ 40. Rd2 Rxd2# ] (2413)


[ 27... Qf2+ 28. Rxf2 Rd1+ 29. Qe1 Rxe1+ 30. Rf1 Rexf1# ] (2415)


[ 14... Qe1+ 15. Bf1 Bc5+ 16. Be3 Qxe3+ 17. Kh1 Qg1# ] (2417)


[ 22. Rxf7+ Kxf7 23. g6+ Ke7 24. Qxg7+ Kd6 25. Nb5# ] (2417)


[ 32... Qa2+ 33. Kc2 Qxb2+ 34. Kxb2 Rfb8+ 35. Kc2 Ra2# ] (2419)


[ 31. Qxb7+ Bxb7 32. Rc7+ Ke8 33. Re1+ Ne6 34. Rxe6# ] (2422)


[ 39. Nc6+ Ke8 40. Rf8+ Kd7 41. Nb8+ Ke6 42. Rf6# ] (2425)


White mates in 4. Puzzle #2kiXy (2430)
1r5r/1Bp2Q2/1n1p4/p3k3/P2n3q/2N5/1PP4P/5RK1 w - - 3 24
[ 24. Qg7+ Ke6 25. Bd5+ Nxd5 26. Qf7+ Ke5 27. Qxd5# ]


[ 25. Qxh6+ Kxh6 26. f5+ Kh7 27. Rh1+ Qh5+ 28. Rxh5# ] (2436)


White mates in 4. Puzzle #X58iH (2438)
rq1r4/pp3ppp/k7/5p2/PR6/1PQ5/6PP/6K1 w - - 4 30
[ 30. Qc4+ b5 31. axb5+ Kb6 32. Qc6+ Ka5 33. Ra4# ]


[ 36. Rh4+ Kg5 37. f4+ Kxh4 38. Qh6+ Kg3 39. Qg5# ] (2439)


[ 48... Nac3+ 49. Kc1 Ne2+ 50. Kb1 N4c3+ 51. Ka1 Ra2# ] (2441)


[ 43... Qxf2+ 44. Rxf2 Nxe3+ 45. Kh1 Rd1+ 46. Rf1 Rxf1# ] (2442)


[ 23. Rd8+ Rxd8 24. Qxd8+ Nxd8 25. Re8+ Nf8 26. Rxf8# ] (2446)


[ 46. Rxg6+ hxg6 47. h3+ Kh5 48. Qh8+ Qh7 49. Qxh7# ] (2448)


[ 20... Qxg3+ 21. hxg3 Rxg3+ 22. Kf1 Rh1+ 23. Ng1 Rhxg1# ] (2448)


Black mates in 4. Puzzle #FpyxG (2450)
r7/4kpQ1/2pbr1P1/qp1n4/3P4/1PP1B3/4NP2/2K3RR b - - 0 24
[ 24... Qa1+ 25. Kd2 Ra2+ 26. Kd3 Qxc3+ 27. Nxc3 Nb4# ]


[ 22... Qg4+ 23. Ke3 Qf4+ 24. Ke2 Re8+ 25. Be5 Rxe5# ] (2450)


[ 31. Rh8+ Kf7 32. Qxg7+ Kxg7 33. Rg5+ Kf7 34. Rg7# ] (2460)


[ 36. Qf6+ Rg7 37. Qd8+ Rg8 38. Qh4+ Qh6 39. Qxh6# ] (2460)


[ 49... Rxf3+ 50. Kxf3 Qf1+ 51. Rf2 Qh3+ 52. Kf4 Qe3# ] (2467)


[ 28... Nh2+ 29. Kg1 Nf3+ 30. Bxf3 Re1+ 31. Kg2 Qh1# ] (2468)


[ 27... Qd3+ 28. Kb3 Rb8+ 29. Ka3 Qd6+ 30. b4 Qxb4# ] (2468)


[ 34. Qb8+ Bd8 35. Rf8+ Rg8 36. Qe5+ Bf6 37. Qxf6# ] (2470)


[ 34... Rh1+ 35. Ke2 Re1+ 36. Rxe1 Nd4+ 37. Kd2 Qc2# ] (2470)


[ 34. Rxe6 g6 35. f4+ Kh4 36. Nf5+ gxf5 37. Rxh6# ] (2472)


[ 34. h3+ Kg3 35. Re4 Kf2 36. Bh4+ Kf1 37. Re1# ] (2473)


[ 35... Qxg4+ 36. Kf2 Qf4+ 37. Ke2 Rg2+ 38. Kd1 Qd2# ] (2476)


[ 29. Rxg6+ Kh7 30. Rxf7+ Rxf7 31. Rh6+ Kxh6 32. Qg6# ] (2479)


[ 19... Bd4+ 20. Ka3 Bc5+ 21. Ka4 Nc3+ 22. Ka5 Bb4# ] (2481)


[ 39. Nf6+ Bxf6 40. Qe8+ Kg7 41. exf6+ Kxf6 42. Qe5# ] (2481)


[ 21. Ne8+ Kh6 22. Qg7+ Kh5 23. Nf6+ Kxh4 24. Qh6# ] (2482)


[ 27. Qh7+ Ng7 28. Qxg6+ Kxg6 29. Nh4+ Kf7 30. g6# ] (2484)


[ 30... Rxf2+ 31. Kh1 Rh2+ 32. Kxh2 Qxg3+ 33. Kh1 Qg2# ] (2492)


[ 25. Rxg6+ Kh7 26. Rxf7+ Rxf7 27. Rxh6+ Kxh6 28. Qg6# ] (2492)


[ 43... Rb2+ 44. Kf1 Bc4+ 45. Kg1 Rb1+ 46. Re1 Rxe1# ] (2493)


[ 30. Ne4+ f6 31. Rh7+ Kf8 32. Bh6+ Kg8 33. Nxf6# ] (2494)


White mates in 4. Puzzle #BCvhu (2499)
4R2Q/1kp5/2p3r1/p1P2b2/1P6/P2q1PP1/5K2/8 w - - 0 41
[ 41. Rb8+ Ka6 42. b5+ cxb5 43. Rb6+ cxb6 44. Qa8# ]


[ 25. Qg6+ Kh8 26. Qh5+ Kg7 27. Rg3+ Bg4 28. Rxg4# ] (2500)


[ 27. Rh8+ Ke7 28. Qh4+ g5 29. Qxg5+ f6 30. Qg7# ] (2501)


[ 26. Qxf8+ Kxf8 27. Bc5+ Kg8 28. Rd8+ Kxf7 29. Rf8# ] (2502)


[ 31. Qf8+ Kc6 32. Qd6+ Kb7 33. Qb6+ Kc8 34. Qb8# ] (2504)


[ 26... Rb2+ 27. Kc3 Rc2+ 28. Kd4 Bc5+ 29. Kd5 Be4# ] (2507)


[ 32... Re1+ 33. Kh2 Rh1+ 34. Kxh1 Rxh3+ 35. Kg1 Qd1# ] (2507)


[ 30. Qxf7+ Rxf7 31. Re8+ Rf8 32. Rxg7+ Kh8 33. Rxf8# ] (2507)


[ 25... Bc8 26. Bxg7+ Kxg7 27. Rfb1 Qh2+ 28. Kf1 Qh1# ] (2508)


[ 48... Rd2 49. Ng5+ Bxg5 50. Ke1 Rc2 51. g8=Q Rc1# ] (2508)


[ 25. Rc7+ Kh8 26. Rxh7+ Kxh7 27. Qxg6+ Kh8 28. Qh6# ] (2508)


[ 37... Bg1+ 38. Qxg1 Qd2+ 39. Re2 Qxe2+ 40. Qf2 Qxf2# ] (2510)


[ 31. Ne6+ Rxe6 32. Rb8+ Re8 33. Rxe8+ Kxe8 34. Qc8# ] (2511)


[ 25. Ne7+ Nxe7 26. Bf6+ Kf7 27. Qg7+ Ke8 28. Qxe7# ] (2512)


[ 29... Rg6+ 30. Kh3 Rg3+ 31. Kh2 Nxf3+ 32. gxf3 Rxh4# ] (2514)


[ 35. Be5+ Kc8 36. Rc5+ Kd8 37. Bf6+ Ke8 38. Rc8# ] (2515)


[ 12. h5+ Kh6 13. Qe3+ g5 14. Qxe6+ Kg7 15. h6# ] (2518)


[ 36. Rxh6+ gxh6 37. g6+ Kxg6 38. Qg4+ Kh7 39. Qg7# ] (2520)


[ 26. Qxg7+ Rxg7 27. Ne7+ Kh8 28. Rxf8+ Rg8 29. Rgxg8# ] (2522)


[ 38. b4+ cxb4 39. Ra6+ Kb5 40. a4+ Kc5 41. Rac6# ] (2523)


[ 31... Qc2+ 32. Ka1 Bc1 33. Rxc1 Qxc1+ 34. Rxc1 Rxc1# ] (2528)


[ 20. Qxe7+ Kxe7 21. Bg5+ Ke8 22. Nd6+ Kd7 23. Rf7# ] (2529)


Black mates in 4. Puzzle #TPnMg (2530)
1Q6/5pk1/3p4/3Pp3/4PP2/5b2/PP3qBK/6R1 b - - 3 37
[ 37... exf4 38. Qc8 Qg3+ 39. Kh1 Qh4+ 40. Qh3 Qxh3# ]


[ 34... Rxg3+ 35. fxg3 Bd4+ 36. Be3 Bxe3+ 37. Rf2 Bxf2# ] (2530)


[ 23... Rxc2+ 24. Kb1 Rc1+ 25. Ka2 Bb1+ 26. Ka1 Nb3# ] (2531)


[ 51. g4+ fxg4 52. Rh6+ Kg5 53. h4+ Kf4 54. Rhf6# ] (2532)


[ 23... Qxg2+ 24. Bxg2 Nf3+ 25. Qxf3 Re1+ 26. Bf1 Rxf1# ] (2533)


[ 39. Re6+ Kf5 40. g4+ Kg5 41. Nh3+ Kh4 42. Rxh6# ] (2533)


[ 40... Bg2+ 41. Nf3 Rxf3+ 42. Kh2 Rxh3+ 43. Kg1 Rh1# ] (2537)


[ 26... Qg4+ 27. Kf2 Qg2+ 28. Ke3 Qe2+ 29. Kd4 Qd2# ] (2538)


[ 41... Rxf4+ 42. Kxf4 g5+ 43. Kg4 h5+ 44. Kxh5 Bf3# ] (2539)


[ 22... Bxf2+ 23. Kf1 Be3+ 24. Qf3 Qxf3+ 25. gxf3 Bh3# ] (2542)


[ 34. Rxh7+ Kxh7 35. Nd6+ Re4 36. Bxe4+ Kh8 37. Nf7# ] (2542)


[ 19... Rxc2+ 20. Kb1 Rc1+ 21. Ka2 Bb1+ 22. Ka1 Nxb3# ] (2542)


[ 17... Qh1+ 18. Kf2 Rh2+ 19. Kg3 Rg2+ 20. Qxg2 Qh4# ] (2545)


[ 32. Rd8+ Kh7 33. Rh8+ Kxh8 34. Qxh6+ Kg8 35. Qxg7# ] (2546)


Black mates in 4. Puzzle #Xad4E (2547)
4rr1k/pp4pp/1q3n2/1b1Nb3/8/P6Q/1PB2PPP/R1B1R1K1 b - - 2 18
[ 18... Qxf2+ 19. Kxf2 Ng4+ 20. Kg1 Bxh2+ 21. Qxh2 Rxe1# ]


[ 43. Kh6 Kf8 44. Rd8+ Ke7 45. Nc6+ Kf6 46. Rd6# ] (2549)


[ 27. Qxh7+ Nxh7 28. Bxh7+ Kh8 29. Ng6+ fxg6 30. Rxf8# ] (2550)


[ 26... Rh1+ 27. Kxg2 Rh2+ 28. Kxh2 Qxf2+ 29. Qg2 Rh8# ] (2553)


[ 27... Qxg4+ 28. hxg4 Rxg4+ 29. Kh2 Rh8+ 30. Qh4 Rhxh4# ] (2554)


[ 46... b4+ 47. Kxa4 Rh3 48. Ne3 Rxe3 49. h8=Q Ra3# ] (2555)


[ 16. Rxg7+ Kxg7 17. Rxf7+ Rxf7 18. Qg6+ Kh8 19. Nxf7# ] (2556)


[ 34... Rg2+ 35. Kh1 Rg4 36. Bf1 Rxh4+ 37. Bh3 Rxh3# ] (2557)


[ 27. Qxg6+ Kxg6 28. Rhg1+ Kh7 29. Rf7+ Bg7 30. Rgxg7# ] (2559)


[ 29. Nf7+ Nxf7 30. Ng6+ Kxh7 31. Nf8+ Kg8 32. Qh7# ] (2564)


[ 18. Bh7+ Kf7 19. Bg8+ Kxg8 20. Qg6+ Bg7 21. Qxg7# ] (2560)


[ 39. Rh7 Nf6 40. Bxf6 Rxf6 41. Rh8+ Kf7 42. R3h7# ] (2562)


[ 26... Qxh2+ 27. Kxh2 Rg8 28. Qe1 Rh6+ 29. Qh4 Rxh4# ] (2563)


[ 30... Nxd3+ 31. Kf3 Rf1+ 32. Ke2 Rf2+ 33. Kd1 Bg4# ] (2563)


[ 42... Qf1+ 43. Kh2 Bf4+ 44. Nxf4 g3+ 45. Kxg3 Qxf4# ] (2568)


[ 24. Qxd6+ Kxd6 25. Bb4+ Kd5 26. Rd8+ Bd6 27. Rxd6# ] (2569)


[ 25... Qg5 26. f3 Qe3+ 27. Kh1 Qxc1+ 28. Qe1 Qxe1# ] (2572)


[ 31... Ne2+ 32. Kf1 Rb1+ 33. Kxe2 Re1+ 34. Kf3 Bd1# ] (2573)


[ 12. Bh6+ Kg8 13. Rxf6 Bxf6 14. Qd5+ Be6 15. Qxe6# ] (2576)


[ 32. Re8+ Rxe8 33. Nh7+ Kg8 34. Rxe8+ Bf8 35. Rxf8# ] (2576)


[ 30... Ra4+ 31. Kxa4 b5+ 32. cxb5+ Qxb5+ 33. Ka3 Ra7# ] (2578)


[ 63. Rd6+ Kc7 64. Rd7+ Kc8 65. Nb6+ Kb8 66. Rb7# ] (2578)


[ 26... Rf1+ 27. Rxf1 Bh2+ 28. Kh1 Rxf1+ 29. Bg1 Rxg1# ] (2579)


[ 26. Rxh7+ Kf8 27. Nd7+ Rxd7 28. Rh8+ Ke7 29. Qf6# ] (2579)


[ 28... Qc1+ 29. Rxc1 Ba2+ 30. Ka1 Rxc1+ 31. Qb1 Rxb1# ] (2581)


White mates in 4. Puzzle #YJNju (2581)
2rr4/pp4kp/4Q1pR/5n2/3q4/1P3P2/P4P2/1K4R1 w - - 2 29
[ 29. Rxh7+ Kxh7 30. Qxg6+ Kh8 31. Qh5+ Nh6 32. Qxh6# ]


[ 41. Rc6+ Kxg5 42. Rg6+ Kh4 43. Qc4+ Qd4 44. Qxd4# ] (2583)


[ 37. Qxf7+ Kh6 38. Qf8+ Kxg5 39. h4+ Kxh4 40. Qh6# ] (2584)


[ 32. Qxh7+ Kxh7 33. Rfg3 Qf7 34. Rh4+ Qh5 35. Rxh5# ] (2587)


[ 26. Qa8+ Kd7 27. Nf6+ Ke7 28. Rxc7+ Rd7 29. Rxd7# ] (2588)


[ 27... Qxh2+ 28. Kxh2 Rxg2+ 29. Kh1 Rh8+ 30. Qh3 Rxh3# ] (2591)


[ 28... Rxg2+ 29. Kxg2 Qg4+ 30. Kf2 Rh2+ 31. Ke1 Qe2# ] (2592)


[ 35... Rxg4+ 36. Kf3 Rg3+ 37. Kxg3 Bf4+ 38. Kf3 Nh4# ] (2594)


[ 25. Rh5+ Kxh5 26. Qg7 Rxf7 27. Rg5+ Kh4 28. Qh6# ] (2594)


[ 40. Nf3+ Kg4 41. Rg5+ hxg5 42. Ne5+ Kh5 43. Rh8# ] (2595)


[ 35. Re8+ Rxe8 36. Bxf6+ Rxf6 37. Qxe8+ Rf8 38. Qxf8# ] (2596)


[ 23. Rf8+ Rxf8 24. Bh7+ Kh8 25. Rxf8+ Bg8 26. Rxg8# ] (2597)


[ 28. Qg6+ Kh8 29. Qh5+ Kg7 30. Rg1+ Qg2 31. Rxg2# ] (2610)


[ 40... Qh1+ 41. Kf2 Ng4+ 42. fxg4 Qxg2+ 43. Ke3 Rh3# ] (2612)


[ 50... Qxb2+ 51. Kc4 Qa2+ 52. Rb3 Qxb3+ 53. Kb5 Qxb4# ] (2613)


[ 27. g4+ Bxg4 28. Qf7+ Qf6 29. Be4+ Kxe4 30. Qd5# ] (2614)


[ 21. Nh6+ Kg7 22. Nh5+ gxh5 23. Qg5+ Kh8 24. Qf6# ] (2619)


[ 28... Rxf3+ 29. Kg4 Rg3+ 30. hxg3 Qe2+ 31. Kh3 Qh5# ] (2626)


[ 31... Rxf2+ 32. Kd1 Qf3+ 33. Kc1 Qxh1+ 34. Be1 Qxe1# ] (2628)


[ 30. Rh7+ Ke6 31. Qf6+ Kxf6 32. g5+ Ke6 33. Bh3# ] (2631)


[ 28. Qd8+ Kh7 29. Qg8+ Kg6 30. Bf7+ Kg5 31. Qd8# ] (2634)


[ 34. Rxh7+ Kg4 35. Rh4+ Kxh4 36. Qf6+ Kh5 37. Qg5# ] (2636)


[ 19... Qa1+ 20. Kd2 Bb4+ 21. c3 Bxc3+ 22. bxc3 Qxc3# ] (2642)


[ 21. Rxg5+ Qxg5 22. Ne7+ Qxe7 23. Rg1+ Qg5 24. Rxg5# ] (2652)


[ 34. Rxg7 Rxg7 35. Qf7 Nf5 36. Qe8+ Bf8 37. Qxf8# ] (2656)


[ 49. Rxf7+ Kg8 50. Rf8+ Kh7 51. Bg8+ Kh8 52. Ng6# ] (2656)


[ 24... Bh3 25. f5 Rg4 26. f3 Bg2+ 27. Kg1 Bxf3# ] (2664)


[ 28... Qe4+ 29. Nd3 Qxd3+ 30. Rxd3 Re1+ 31. Rd1 Rxd1# ] (2665)


[ 45. Re2+ dxe2 46. Qg3+ Kd2 47. Qc3+ Kd1 48. Qc1# ] (2675)


[ 25... Bxc2+ 26. Kxc2 Qc1+ 27. Kxc1 Nb3+ 28. Kb1 Rc1 ] (2677)


[ 18. Re8+ Kxe8 19. Nc7+ Kf8 20. Bc5+ Ne7 21. Rd8# ] (2677)


[ 42. g4+ Kxg4 43. f3+ Qxf3 44. Qg6+ Rg5 45. Qxg5# ] (2679)


[ 9. Qd5+ Bd6 10. Qf5+ Kc6 11. Ba4+ b5 12. Qxb5# ] (2685)


[ 18. Rf7+ Nxf7 19. Qf5+ Kxc6 20. Ba4+ b5 21. Qxb5# ] (2686)


[ 37. Qf6+ Kh7 38. Qh8+ Kg6 39. Rf6+ Kg5 40. Qh6# ] (2697)


[ 30. Bb7+ Kxb7 31. Rxb6+ axb6 32. Qc7+ Ka6 33. Qxb6# ] (2710)


[ 19... Nf4 20. exf4 Qxc3+ 21. bxc3 Re8+ 22. Qe4 Rxe4# ] (2711)


[ 24... Qc5+ 25. Qd5 f6+ 26. Kf5 Qc8+ 27. Qe6+ Qxe6# ] (2726)


[ 21... f5+ 22. Kxh5 Re6 23. Bf4 Rh6+ 24. Bxh6 g6# ] (2728)


[ 30. Rxb7+ Nxb7 31. Rxb7+ Rxb7 32. Bf6+ Kd7 33. Qxd8# ] (2728)


[ 41. Qd5+ Kh8 42. Qh5+ Kg7 43. Qh7+ Kf8 44. Qf7# ] (2761)


[ 28. Qd8+ Rxd8 29. Nf6+ Kh8 30. Rxd8+ Rg8 31. Rxg8# ] (2786)


[ 12... h4+ 13. Kf3 Qd4 14. hxg4 Ne5+ 15. Bxe5 Bxg4# ] (2892)


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