MESON Chess Problem Database

Problem Display
PID: 268601 (1BR1N3/5np1/1p2p3/1P1kP2R/8/1P1Kbpr1/4P3/7B w - - 0 1)

Gajevskis, A

Sachmatija, 2022

1BR1N3/5np1/1p2p3/1P1kP2R/8/1P1Kbpr1/4P3/7B

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bxf3#
    • 1...Rg5
      • 2.Bxf3#
    • 1...Rg6
      • 2.Bxf3#
    • 1...Bc1
      • 2.e4#
    • 1...Bg1
      • 2.e4#
    • 1...Bd2
      • 2.e4#
    • 1...Bf2
      • 2.e4#
    • 1...Bd4
      • 2.e4#
    • 1...Bf4
      • 2.e4#
    • 1...Bc5
      • 2.Sc7#
      • 2.e4#
    • 1...Bg5
      • 2.e4#
    • 1...Bh6
      • 2.e4#
    • 1...Sxe5+
      • 2.Rxe5#
    • 1...g5
      • 2.Sf6#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Bd6?
      • threat
        • 2.Sc7#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Sxd6!
    • 1.Rc2?
      • threat
        • 2.Sc7#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Rg5
        • 2.Bxf3#
      • 1...Bg5
        • 2.e4#
      • 1...g5
        • 2.Sf6#
      • 1...Sg5!
    • 1.Rc3?
      • threat
        • 2.Sc7#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Rg5
        • 2.Bxf3#
      • 1...Bg5
        • 2.e4#
      • 1...g5
        • 2.Sf6#
      • 1...Sg5!
    • 1.Rc4?
      • threat
        • 2.Sc7#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Rg5
        • 2.Bxf3#
      • 1...Bg5
        • 2.e4#
      • 1...g5
        • 2.Sf6#
      • 1...Sg5!
    • 1.Rc5+?
      • 1...Bxc5
        • 2.Sc7#
        • 2.e4#
      • 1...bxc5
        • 2.Sc7#
      • 1...Kxc5!
    • 1.Rc6?
      • threat
        • 2.Sc7#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Rg5
        • 2.Bxf3#
      • 1...Bg5
        • 2.e4#
      • 1...g5
        • 2.Sf6#
      • 1...Sg5!
  • Keys
    • 1.b4!
      • threat
        • 2.Sc7#
      • 1...Sxe5+
        • 2.Rxe5#
      • 1...Rg5
        • 2.Bxf3#
      • 1...Bg5
        • 2.e4#
      • 1...Sg5
        • 2.Rd8#
      • 1...g5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(c);N_GUARD::B(A),XP(b)
    • B(a);OGATE::P(B)
    • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
    • P(h);N_GUARD::S(J)
  • Tries
    • Try
      • B(H);
      • Threat
        • S(J)
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
      • Refutation
        • S(g);XB(H)
    • Try
      • R(I);
      • Threat
        • S(J)
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
        • R(c);N_GUARD::B(A),XP(b)
        • B(a);OGATE::P(B)
        • P(h);N_GUARD::S(J)
      • Refutation
        • S(g);
    • Try
      • R(I);
      • Threat
        • S(J)
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
        • R(c);N_GUARD::B(A),XP(b)
        • B(a);OGATE::P(B)
        • P(h);N_GUARD::S(J)
      • Refutation
        • S(g);
    • Try
      • R(I);
      • Threat
        • S(J)
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
        • R(c);N_GUARD::B(A),XP(b)
        • B(a);OGATE::P(B)
        • P(h);N_GUARD::S(J)
      • Refutation
        • S(g);
    • Try
      • R(I);CHECK
      • Vars
        • P(e);SBLOCK,XR(I)::S(J)
      • Refutation
        • K(d);N_SPINP(b),P-FLIGHT,XR(I)
    • Try
      • R(I);
      • Threat
        • S(J)
      • Vars
        • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
        • R(c);N_GUARD::B(A),XP(b)
        • B(a);OGATE::P(B)
        • P(h);N_GUARD::S(J)
      • Refutation
        • S(g);
  • Actual
    • P(C);
    • Threat
      • S(J)
    • Vars
      • S(g);CHECK,OGATE,P_SPINS(g),XP(F)::R1(G),XS(g)
      • R(c);N_GUARD::B(A),XP(b)
      • B(a);OGATE::P(B)
      • S(g);N_GUARD::R(I)
      • P(h);N_GUARD::S(J)
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