MESON Chess Problem Database
Problem Display
PID: 15397 (2R2Qbr/Kn4p1/p2P1p2/r1Pk1P2/p2N1RN1/2b5/2P5/3n1B2 w - - 0 1)
Chepizhni, Viktor Ivanovich
Rudenko, Valentin Fedorovich
Presledovanie Temi, 1983
#2
11 + 11
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxg8#
- 1...Rh2
- 2.Qxg8#
- 1...Rh3
- 2.Qxg8#
- 1...Rh4
- 2.Qxg8#
- 1...Rh5
- 2.Qxg8#
- 1...Rh6
- 2.Qxg8#
- 1...Rh7
- 2.Qxg8#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bxd4
- 2.c4#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sxd6
- 2.Qxd6#
- 1...Rh1
- Tries
- 1.Se2?
- threat
- 2.Bg2#
- 1...Sxd6
- 2.Qxd6#
- 1...Bd4
- 2.Rxd4#
- 1...Rh2
- 2.Qxg8#
- 1...Rh3
- 2.Qxg8#
- 1...Sf2
- 2.Sxc3#
- 1...Se3
- 2.Sxc3#
- 1...Sxc5!
- threat
- 1.Sb3?
- threat
- 2.Bg2#
- 2.Bc4#
- 1...Rxc5
- 2.Bg2#
- 1...Sxc5
- 2.Bc4#
- 1...Sxd6
- 2.Qxd6#
- 1...Rh2
- 2.Bc4#
- 2.Qxg8#
- 1...Rh3
- 2.Bc4#
- 2.Qxg8#
- 1...Bd4
- 2.Rxd4#
- 2.c4#
- 1...Sb2
- 2.Bg2#
- 1...Sf2
- 2.Bc4#
- 1...Se3!
- threat
- 1.Sf3?
- threat
- 2.Bc4#
- 1...Sxd6
- 2.Qxd6#
- 1...Bd4
- 2.Rxd4#
- 2.c4#
- 1...Sb2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Rxc5!
- threat
- 1.Sb5?
- threat
- 2.Bg2#
- 2.Bc4#
- 1...Sxc5
- 2.Bc4#
- 1...Sxd6
- 2.Qxd6#
- 1...Rh2
- 2.Bc4#
- 2.Qxg8#
- 1...Rh3
- 2.Bc4#
- 2.Qxg8#
- 1...Bd4
- 2.Rxd4#
- 2.c4#
- 1...Sb2
- 2.Sxc3#
- 2.Bg2#
- 1...Sf2
- 2.Sxc3#
- 2.Bc4#
- 1...Se3
- 2.Sxc3#
- 1...axb5+!
- threat
- 1.Se6?
- threat
- 2.Bg2#
- 2.Bc4#
- 1...Rxc5
- 2.Bg2#
- 1...Sxc5
- 2.Bc4#
- 1...Sxd6
- 2.Qxd6#
- 1...Rh2
- 2.Bc4#
- 1...Rh3
- 2.Bc4#
- 1...Bd4
- 2.Rxd4#
- 2.c4#
- 1...Sb2
- 2.Bg2#
- 1...Sf2
- 2.Bc4#
- 1...Se3!
- threat
- 1.Sxf6+?
- 1...Ke5
- 2.Re4#
- 1...gxf6!
- 1...Ke5
- 1.Qxf6?
- threat
- 2.Qe5#
- 1...Bxd4
- 2.Rxd4#
- 2.Qxd4#
- 2.c4#
- 1...gxf6!
- threat
- 1.Qe8?
- threat
- 2.Qc6#
- 2.Qe4#
- 1...Sxc5
- 2.Qc6#
- 1...Sxd6
- 2.Qc6#
- 1...Be6
- 2.Qc6#
- 2.Qxe6#
- 1...Sf2
- 2.Se3#
- 2.Qc6#
- 1...Sd8
- 2.Qe4#
- 1...Rxc5!
- threat
- 1.Se2?
- Keys
- 1.Sc6!
- threat
- 2.Se7#
- 1...Kxc5
- 2.Sb4#
- 1...Rxc5
- 2.Bg2#
- 1...Sxc5
- 2.Bc4#
- threat
- 1.Sc6!
This anticipates 168283(2011)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 16
- Sets
- R(k);N_GUARD::QAB(K),XB(j)
- B(b);OGATE::P(B)
- B(b);OGATE,P_PINP(F),XS(C)::P(B)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(h);OGATE,XP(H)::QAR1(K),XS(h)
- Tries
- Try
- S(C);
- Threat
- B(A)
- Vars
- S(h);OGATE,XP(H)::QAR1(K),XS(h)
- B(b);N_GUARD,P_PINP(F)::R1(D),XB(b)
- R(k);N_GUARD::QAB(K),XB(j)
- S(a);N_GUARD::S(C),XB(b)
- Refutation
- S(h);XP(F)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(d);XP(F)::B(A)
- S(h);XP(F)::B(A)
- S(h);OGATE,XP(H)::QAR1(K),XS(h)
- S(a);::B(A)
- Refutation
- S(a);
- Try
- S(C);
- Threat
- B(A)
- Vars
- S(h);OGATE,XP(H)::QAR1(K),XS(h)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(d);XP(F)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- S(h);XP(F)::B(A)
- S(h);OGATE,XP(H)::QAR1(K),XS(h)
- S(a);N_GUARD::S(C),XB(b)
- Refutation
- P(f);CHECK,XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(d);XP(F)::B(A)
- S(h);XP(F)::B(A)
- S(h);OGATE,XP(H)::QAR1(K),XS(h)
- R(k);::B(A)
- S(a);::B(A)
- Refutation
- S(a);
- Try
- S(E);CHECK,XP(g)
- Vars
- K(e);P-FLIGHT::R1(D)
- Refutation
- P(i);XS(E)
- Try
- Q(K);XP(g)
- Threat
- QAR1(K)
- Refutation
- P(i);XQ(K)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- S(h);XP(F)::QAB1(K)
- S(h);XP(H)::QAB1(K)
- S(h);::QAB1(K)
- Refutation
- R(d);XP(F)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- K(e);P-FLIGHT,XP(F)::R(J)+S(C)
- R(d);SBLOCK,XP(F)::B(A)
- S(h);SBLOCK,XP(F)::B(A)
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