MESON Chess Problem Database

Problem Display
PID: 287477 (2Q1r1q1/2p1p1P1/2b5/1pPkpRNn/BPp4b/1PPrP2K/6N1/6B1 w - - 0 1)

Labai, Zoltan

Svitek, Miroslav

Sachmatija, 2026

2Q1r1q1/2p1p1P1/2b5/1pPkpRNn/BPp4b/1PPrP2K/6N1/6B1

#2

13 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Qxe6#
    • 1...Qh7
      • 2.Qe6#
    • 1...Qxg7
      • 2.Qe6#
    • 1...Qf8
      • 2.Qe6#
    • 1...Qh8
      • 2.Qe6#
    • 1...Rd1
      • 2.e4#
    • 1...Rd2
      • 2.e4#
    • 1...Rxe3+
      • 2.Sxe3#
    • 1...Bg3
      • 2.e4#
    • 1...Bb7
      • 2.Qd7#
    • 1...Bd7
      • 2.Qxd7#
    • 1...Ba8
      • 2.Qd7#
    • 1...Sg3
      • 2.Sf4#
    • 1...Sf4+
      • 2.Sxf4#
    • 1...Sf6
      • 2.Sf4#
    • 1...Sxg7
      • 2.Sf4#
    • 1...cxb3
      • 2.Bxb3#
  • Tries
    • 1.Kxh4?
      • threat
        • 2.e4#
      • 1...Rxe3
        • 2.Sxe3#
      • 1...cxb3
        • 2.Bxb3#
      • 1...Bb7
        • 2.Qd7#
      • 1...Bd7
        • 2.Qxd7#
      • 1...Ba8
        • 2.Qd7#
      • 1...Sg3
        • 2.Sf4#
      • 1...Sf6
        • 2.Sf4#
      • 1...Rd4+!
    • 1.Qd8+?
      • 1...Bd7
        • 2.Qxd7#
      • 1...Rxd8!
  • Keys
    • 1.Bh2!
      • threat
        • 2.Rxe5#
      • 1...Rxe3+
        • 2.Sxe3#
      • 1...Sf4+
        • 2.Sxf4#
      • 1...Qxg7
        • 2.Qe6#
      • 1...cxb3
        • 2.Bxb3#
      • 1...Bb7
        • 2.Qd7#
      • 1...Bd7
        • 2.Qxd7#
      • 1...Ba8
        • 2.Qd7#
      • 1...Qe6
        • 2.Qxe6#
      • 1...Bg3
        • 2.e4#
      • 1...Sg3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • Q(l);N_GUARD,P_PINR(J)::QAB1(M),XQ(l)
    • Q(l);N_GUARD::QAB1(M)
    • Q(l);N_GUARD,XP(L)::QAB1(M)
    • R(a);N_PINP(E)::P(E)
    • R(a);CHECK,XP(E)::S(B),XR(a)
    • B(c);N_PINP(E)::P(E)
    • B(h);N_GUARD::QAR2(M)
    • B(h);N_GUARD,P_PINR(J)::QAR2(M),XB(h)
    • S(g);N_GUARD,N_PINP(E)::S(B)
    • S(g);CHECK,N_GUARD::S(B),XS(g)
    • S(g);N_GUARD::S(B)
    • S(g);N_GUARD,XP(L)::S(B)
    • P(b);OGATE,XP(C)::B(G),XP(b)
  • Tries
    • Try
      • K(F);N_SPINP(E),P-FLIGHT,XB(c)
      • Threat
        • P(E)
      • Vars
        • R(a);XP(E)::S(B),XR(a)
        • P(b);OGATE,XP(C)::B(G),XP(b)
        • B(h);N_GUARD::QAR2(M)
        • B(h);N_GUARD::QAR2(M),XB(h)
        • S(g);N_GUARD::S(B)
      • Refutation
        • R(a);CHECK
    • Try
      • Q(M);CHECK
      • Vars
        • B(h);N_GUARD,P_PINR(J),P_SPINB(h)::QAR2(M),XB(h)
      • Refutation
        • R(k);XQ(M)
  • Actual
    • B(A);
    • Threat
      • R1(J),XP(f)
    • Vars
      • R(a);CHECK,XP(E)::S(B),XR(a)
      • S(g);CHECK,N_GUARD::S(B),XS(g)
      • Q(l);N_GUARD,XP(L)::QAB1(M)
      • P(b);OGATE,XP(C)::B(G),XP(b)
      • B(h);N_GUARD::QAR2(M)
      • B(h);N_GUARD,P_PINR(J)::QAR2(M),XB(h)
      • Q(l);N_GUARD,P_PINR(J)::QAB1(M),XQ(l)
      • B(c);N_PINP(E)::P(E)
      • S(g);N_GUARD,N_PINP(E)::S(B)
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