MESON Chess Problem Database
Problem Display
PID: 151308 (1n1b3B/1Q2p1K1/1Np5/r1R5/2B1k1P1/5pP1/bppR1P2/n1q2N2 w - - 0 1)
Chepizhni, Viktor Ivanovich
Die Schwalbe, 2013
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Bxb6
- 2.Qxe7#
- 1...Sa6
- 2.Qxc6#
- 1...Sd7
- 2.Qxc6#
- 1...Bxb6
- Tries
- 1.Kg6?
- threat
- 2.Bd3#
- 2.Rd4#
- 1...Qxd2
- 2.Sxd2#
- 1...Qxf1
- 2.Rd4#
- 1...Bxc4
- 2.Rd4#
- 2.Rxc4#
- 1...Qd1
- 2.Bd3#
- 1...Ra3
- 2.Rd4#
- 2.Re5#
- 1...Sb3
- 2.Bd3#
- 1...e5!
- threat
- 1.Kh7?
- threat
- 2.Bd3#
- 2.Rd4#
- 1...Qxd2
- 2.Sxd2#
- 1...Qxf1
- 2.Rd4#
- 1...Bxc4
- 2.Rd4#
- 2.Rxc4#
- 1...Qd1
- 2.Bd3#
- 1...Ra3
- 2.Rd4#
- 2.Re5#
- 1...Sb3
- 2.Bd3#
- 1...e5!
- threat
- 1.Kf8?
- threat
- 2.Bd3#
- 2.Rd4#
- 1...Qxd2
- 2.Sxd2#
- 1...Qxf1
- 2.Rd4#
- 1...Bxc4
- 2.Rd4#
- 2.Rxc4#
- 1...e5
- 2.Qh7#
- 1...Qd1
- 2.Bd3#
- 1...Ra3
- 2.Rd4#
- 2.Re5#
- 1...Sb3
- 2.Bd3#
- 1...Sd7+!
- threat
- 1.Kg8?
- threat
- 2.Rd4#
- 1...Bxc4+
- 2.Rxc4#
- 1...Qxd2
- 2.Sxd2#
- 1...e5
- 2.Qh7#
- 1...Sb3
- 2.Bd3#
- 1...Qd1!
- threat
- 1.Qc7?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxd2
- 2.Qe5#
- 1...Rxc5
- 2.Qf4#
- 1...e5
- 2.Qxe5#
- 1...Sd7
- 2.Qf4#
- 2.Qxc6#
- 1...Bxc7!
- threat
- 1.Qd7?
- threat
- 2.Bd3#
- 2.Rd4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd3#
- 2.Qd4#
- 1...Qxd2
- 2.Sxd2#
- 1...Qxf1
- 2.Rd4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd4#
- 1...Rxc5
- 2.Qd4#
- 1...Bxc4
- 2.Rd4#
- 2.Qf5#
- 2.Qd4#
- 1...e5
- 2.Bd3#
- 2.Qf5#
- 2.Qd3#
- 1...Qd1
- 2.Bd3#
- 2.Qf5#
- 2.Qe6#
- 2.Qd3#
- 2.Qd4#
- 1...Ra3
- 2.Rd4#
- 2.Qf5#
- 2.Qe6#
- 2.Qd4#
- 1...Bc7
- 2.Bd3#
- 2.Rd4#
- 2.Qf5#
- 2.Qd3#
- 2.Qd4#
- 1...Sb3
- 2.Bd3#
- 2.Qf5#
- 2.Qe6#
- 2.Qd3#
- 1...e6
- 2.Bd3#
- 2.Rd4#
- 2.Qxe6#
- 2.Qd3#
- 2.Qd4#
- 1...Sxd7!
- threat
- 1.Qxb8?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Qxd2
- 2.Qe5#
- 1...Rxc5
- 2.Qf4#
- 1...e5
- 2.Qxe5#
- 1...Bc7!
- threat
- 1.Kg6?
- Keys
- 1.Kh6!
- threat
- 2.Bd3#
- 1...Qxd2+
- 2.Sxd2#
- 1...Qxf1
- 2.Rd4#
- 1...Bxc4
- 2.Rxc4#
- 1...Ra3
- 2.Re5#
- 1...e5
- 2.Qh7#
- threat
- 1.Kh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(l);N_GUARD,XS(H)::QAR(I),XP(j)
- S(k);N_GUARD::QAB(I),XP(i)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::S(A),XQ(b)
- Q(b);XS(A)::R1(B)
- Q(b);::B(E)
- S(a);::B(E)
- Refutation
- P(j);
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::S(A),XQ(b)
- Q(b);XS(A)::R1(B)
- Q(b);::B(E)
- S(a);::B(E)
- Refutation
- P(j);
- Try
- K(J);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::S(A),XQ(b)
- Q(b);XS(A)::R1(B)
- P(j);OGATE::QAB(I)
- Q(b);::B(E)
- S(a);::B(E)
- Refutation
- S(k);CHECK
- Try
- K(J);P-FLIGHT,P_SPINB(E)
- Threat
- R1(B)
- Vars
- B(c);CHECK,OGATE,XB(E)::R(G),XB(c)
- Q(b);XR(B)::S(A),XQ(b)
- P(j);OGATE::QAB(I)
- S(a);N_PINB(E)::B(E)
- Refutation
- Q(b);
- Try
- Q(I);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::QAR1(I)
- R(h);XR(G)::QAR1(I)
- P(j);::QAR1(I),XP(j)
- Refutation
- B(l);XQ(I)
- Try
- Q(I);N_PINP(i)
- Threat
- DUALS(6)
- Vars
- Q(b);XR(B)::S(A),XQ(b)
- R(h);XR(G)::QAR1(I)
- Refutation
- S(k);XQ(I)
- Try
- Q(I);N_PINP(i),XS(k)
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::QAR1(I)
- R(h);XR(G)::QAR1(I)
- P(j);::QAR1(I),XP(j)
- Refutation
- B(l);
- Try
- Actual
- K(J);P_SPINR(B),S_FLIGHT
- Threat
- B(E)
- Vars
- Q(b);CHECK,XR(B)::S(A),XQ(b)
- Q(b);N_PINR(B),XS(A)::R1(B)
- B(c);OGATE,XB(E)::R(G),XB(c)
- R(h);N_GUARD::R1(G)
- P(j);OGATE::QAB(I)
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